registering 5.9. and many of the dead and wounded were literally left lying in the streets, even as they hit. the headquarters, the u.n. mission there has also collapsed, and so has parts of the presidential palace. land lines are also down. the only place that many victims and many family members in the united states have to turn for information is social media. cnn has set up a haiti desk to monitor the pleas for help and bring you many of the heart wrenching stories and pictures that the survivors want the world to see. and officials say they cannot even begin to guess how many casualties there are. haiti is one of the poorest countries in the world. and there is barely any emergency response to speak of. pentagon officials say they re already working on shipments of humanitarian aid, but getting there will be tough, since the control tower at the airport in port-au-prince is gone. scenes of horror and devastation in haiti this morning, 13 hours after a catastrophic